2 Storey Flat Roof Extension

If both storeys are the same size a generally accepted rule is to add 50 extra to the build cost of a single storey extension.

2 storey flat roof extension.

Again london and the south east will more likely be pricier. More cost effective than a single storey house extension because it doubles up on the use of the foundations and roof two of the most expensive parts of a build a two storey extension on this budget could measure up to 30 40m both floors. Planning policy requires an extension to be sympathetic to the existing house so the height of its ridge and eaves should not be taller than the existing roof. The pitch of the extension s roof complements the original building creating a sense of harmony between the two elements.

The design of the roof of a 2 storey extension will be subject to planning requirements but there are still options to make the best choices. For a single story residence a flat roof over the extension can provide a contemporary look. Advantages of a flat roof single storey extension. Where a building has low ceilings it can be difficult to build an extension tall enough to integrate two full 2 4m.

Hoover up the dark slightly pointless sliver of space that is the side return by extending the back of the house to its fullest width. Add 10 for professional fees and vat 76 050. Flat roof extensions to victorian home. The main limitation on two storey extensions is usually the roof height.

A flat roof rear extension designed by ar design studio houses a large kitchen diner and opens up the ground floor of this hampshire home. You ll probably have to build the same kind of roof as the main house rather than a flat roof. What about two story extensions then. Double storey house extension two storey building a two storey extension will be very similar to building a single storey.

There is less structural engineering involved with a flat roof and materials also tend to be cheaper. A second two storey side extension clad in the same london stock brick as the existing property houses a utility at ground level and a new master suite above. How tall can a double storey extension be. It s a yes to this as long as you don t go back more than three metres and there is a gap of at least seven metres to the end of the garden.

If you have a two story home it s a great idea as the first story s flat roof won t block your view on the upper floor. The roof of your double storey extension. If there are properties around you that will overlook the roof of your extension a green roof could be a great option to get through the planning. At the rear of a property this would typically extend the kitchen with a new bedroom above.

Apart from the costs which we ve already talked about in the previous section t he main differences will be. The most obvious advantage of a flat roof single storey extension over a pitched roof is the price tag.